Metal copper-plating - Import export

hemical Composition: Total concentration of all impurities ≤ 65ppm (typical value ≤ 25ppm). Copper obtained by the difference between 100% and total impurities. ELEMENT SPECIFIED TYPICAL Se < 1.0 ppm < 1.0 ppm Te < 1.0 ppm < 0.5 ppm Bi < 0.5 ppm 0.20 ppm Sb < 1.0 ppm < 1.0 ppm As < 3.0 ppm 1.2 ppm Pb < 1.0 ppm 0.3 ppm Fe < 5.0 ppm 2.8 ppm S < 10.0 ppm 4.5 ppm Ni < 5.0 ppm < 1.0 ppm Sn < 1.0 ppm < 0.5 ppm Ag < 12.0 ppm 8.0 ppm